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The Koss A/550 Open-Back Headphone represents the pinnacle of acoustic engineering and design. Meticulously crafted from premium materials including stainless steel, aluminum, ultra-soft velour and precision-stitched vegan leather, every detail has been considered to deliver unparalleled performance, durability and comfort.

Koss engineered RLX44 54 ohm dynamic drivers specially designed for A/550 incorporate a multilayer polycarbonate diaphragm, precision-machined Neodymium magnet, and lightweight Copper-Clad Aluminum wire voice coil housed within a 44 mm reinforced resin frame. This advanced configuration delivers breathtaking high-fidelity audio with a wide frequency response of 12 Hz to 22,000 Hz.

A/550 also features a detachable cord system with Mini XLR delivering pro-grade reliability, secure locking and support for balanced audio connections* for expanded connectivity with third-party cables. Get started with the stunning braided and jacketed 3.5mm cable and included a 6.3mm adapter.

The next chapter in The Sound of Koss® delivering an extraor

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